A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Monochromatic Reflectance Meter
The Bureau of Mines has developed a prototype rock dust meter that provides a simple, rapid method for determining the rock dust content of a coal dust-rock dust mixture. The meter is portable and can be used in a mine office or directly in an underground roadway. Its operation is based on the measurement of infrared light reflected from the surface of a sample consisting of a mixture of dark coal dust and light rock dust particles. The amount of light reflected from the sample surface increases with an increase in the concentration of rock dust in the sample. The correlation obtained with prepared dust samples is within 2 pet of results determined by chemical analysis methods for rock dust contents from 40 to 100 pet. The response of the meter has been most encouraging and if further testing confirms the reliability of the meter, industry will have a means of making rock dusting more efficient and effective, thus increasing safety and lowering costs.
Monochromatic Reflectance Meter
The Bureau of Mines has developed a prototype rock dust meter that provides a simple, rapid method for determining the rock dust content of a coal dust-rock dust mixture. The meter is portable and can be used in a mine office or directly in an underground roadway. Its operation is based on the measurement of infrared light reflected from the surface of a sample consisting of a mixture of dark coal dust and light rock dust particles. The amount of light reflected from the sample surface increases with an increase in the concentration of rock dust in the sample. The correlation obtained with prepared dust samples is within 2 pet of results determined by chemical analysis methods for rock dust contents from 40 to 100 pet. The response of the meter has been most encouraging and if further testing confirms the reliability of the meter, industry will have a means of making rock dusting more efficient and effective, thus increasing safety and lowering costs.
Monochromatic Reflectance Meter
Perlee, Henry E. (author) / Pinkerton, John E. (author) / Sapko, Michael J. (author)
1986 Annual Meeting Industry Applications Society ; 2 ; 1582-1589
1986-09-01
1069330 byte
Conference paper
Electronic Resource
English
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